APRILIA TUONO V4 R a-PRC ABS User Manual

Front cylinder head valves
•
Check the play on the front head valves and, if it is necessary to restore the correct play
values, proceed as follows.
•
Remove both head covers, the alter-
nator side cover and remove the cap
on the clutch cover in order to rotate
the crankshaft.
•
Remove the O ring.
See also
Head cover removal
Removing the flywheel cover
•
Rotate the crankshaft via the opening
on the clutch cover.
•
Position cylinder 1 piston (LH, rear pis-
ton) so that it is at the point where it
crosses TDC.
•
rotate the crankshaft 150° in the engine
rotation direction (direction of travel).
•
insert the respective pin, from the fly-
wheel side, into the groove on the
crankshaft.
NOTE
THE SPECIAL TOOL SHOWN HERE MUST ONLY BE USED
FOR IDENTIFYING THE CORRECT POSITION OF THE
CRANKSHAFT.
DO NOT USE IT FOR TIGHTENING COMPONENTS.
Specific tooling
020852Y Crankshaft timing pin
TUONO V4 R a-PRC ABS Maintenance
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APRILIA TUONO V4 R a-PRC ABS Specifications

General

Brand	APRILIA
Model	TUONO V4 R a-PRC ABS
Category	Motorcycle
Language	English